Security system demonstrator



FIG. 1 is a front elevational view of a security system demonstrator showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a perspective view thereof with the door, trunk and hood open and the ignition key inserted. 

The ornamental design for a security system demonstrator, as shown and described. 